we're ready to help. >>> here's a look at the weather in some cities around the country. washington, afternoon showers, 60. mostly sunny in atlanta, 51. partly sunny in st. louis, 56. mostly cloudy in denver, 38. showers in seattle, 40 degrees. >>> the newtown school shooting has parents and teachers all across the country concerned about the safety of their classrooms. and as we report this morning, many schools are reviewing and improving their security procedures. >> reporter: dekalb county's briar lake elementary was different today. an armed school police officer patrolled outside, and the principal ordered teachers to lock all classroom doors on the hallway side. lillian gogas, spokeswoman, took us inside. all of dekalb's 138 schools have at least 32 secured cameras, installed in 1999 after the columbine shooting. >> what's new is the sense of awareness and the dialogue that's happening among our staff members and our families and the students who we served in order to keep our children safe. >> i want everyone to get away from the hallway door and get down. >> repo